A computer system consists of both hardware and software, where hardware refers to physical devices and software comprises the instructions and programs that operate these devices. The document emphasizes the interplay between these two components of a computer system. It reiterates this fundamental definition multiple times.

1. Computer system
Computer system is combination of
computer and hardware
Software is set of instructions and
program. While hardware is combination
of physical devices.

2. Computer system
Computer system is combination of
computer and hardware
Software is set of instructions and
program. While hardware is combination
of physical devices.

3. Number system
Computer system is combination of
computer and hardware
Software is set of instructions and
program. While hardware is combination
of physical devices.

4. Computer system
Computer system is combination of
computer and hardware
Software is set of instructions and
program. While hardware is combination
of physical devices.

5. Computer system
Computer system is combination of
computer and hardware
Software is set of instructions and
program. While hardware is combination
of physical devices.